[PickerInput] Impossible select several values from keyboard when minCharsToSearch != 0

[NatalliaAlieva]

Description

When User navigate using keyboard it is impossible select more than one value when selectionMode = multi and minCharsToSearch > 0.

Steps to Reproduce

1. Open PickerInput component.
2. Set selectionMode = multi.
3. Set minCharsToSearch = 3 or 1 or 5.
4. Move to picker input field using Tab key.
5. Type three letters in the field (e.g. "lan").
6. Using up or down arrows navigate through values.
7. Select any value using Enter key.

Actual result

Window with list closes after selecting one value and User cannot select more values.

https://user-images.githubusercontent.com/57751283/185689636-4e403790-53e9-4b13-87b9-24482c5cd69e.mp4

Expected result

User can select more tan one value using keyboard.

Environment

• UUI version: 4.8.2
• Browser name: Chrome
• Operating System: Win 10 pro